.self {
    height: 0px;
    transition: 0.5s all;
    color: var(--bar-text);
    background: var(--bar-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 16px;
}

.height {
    height: 64px;
    padding: 8px 30px;
    box-sizing: border-box;
    @media (min-width: 960px) {
        height: 40px;
        font-size: 20px;
    }
}

.bold {
    font-weight: bold;
}